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Orthopedic implant rod reduction tool set and method

a technology of orthopedic implants and tool sets, applied in the field of orthopedic implant rod reduction tool sets and methods, to achieve the effects of convenient attachment and disengagement, low cost, and convenient us

Active Publication Date: 2007-01-09
NUVASIVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a set of tools for implanting a spinal rod in a patient. The tools include guide tools that can be easily attached and removed from bone screws, and an internal structure that allows for easy loading of a closure top and secure positioning against the rod. The guide tools help to guide the rod into the bone screws and provide mechanical advantage to secure the rod in place. The technical effect of this invention is to simplify the procedure of implanting a spinal rod in a patient and improve the stability and accuracy of the implant.

Problems solved by technology

This presents a problem with implantation of rods that are elongate and have historically required a long incision and open wound in order to provide for the length of the rod and the space required for the surgeon's hands to manipulate the rod, implants and insertion tools used with the rod.

Method used

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  • Orthopedic implant rod reduction tool set and method
  • Orthopedic implant rod reduction tool set and method
  • Orthopedic implant rod reduction tool set and method

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Embodiment Construction

[0034]As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure.

[0035]The reference numeral 1 generally designates a tool set for use in installing an orthopedic spinal rod 4 into a set of bone screws 6 in accordance with the present invention.

[0036]The tool set 1 of the illustrated embodiment includes a pair of end guide tools 9 and a plurality of intermediate guide tools 10, which in the illustrated embodiment includes a pair of intermediate guide tools 10 on each side of a patient's spine 17, but which can include none...

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Abstract

A tool set for implanting a rod in a human spine in conjunction with bone screws. The tool set includes a pair of end guide tools that receive opposite ends of the rod in channels and under manipulation by a surgeon facilitate transport of the rod toward the bone screws attached to the guide tools. Intermediate guide tools having guiding pass through slots are utilized to guide intermediate locations along the rod toward associated bone screws. An attachment structure operably connects the guide tools to the bone screws. The guide tools each include a lower guide and advancement structure to allow a closure top with mating structure to be rotated and driven downward against the rod and to cooperate with similar structure in the bone screw to seat and lock the rod therein. A method utilizing the tool set allows a surgeon to percutaneously implant the rod in the patient.

Description

BACKGROUND OF THE INVENTION[0001]The present invention relates to apparatuses and methods for use in performing spinal surgery and, in particular, to tools and methods of using such tools, especially for percutaneously implanting a rod for spinal support and alignment using minimally invasive techniques.[0002]For many years, spinal osteosynthesis apparatuses have been utilized to correct spinal deformities, injuries or disease. In such procedures, elongate rods are surgically attached to vertebrae of the spine to provide support and / or to reposition certain vertebrae. Such rods are secured to vertebrae utilizing bone screws and other implants.[0003]Surgical techniques and bone screws have improved; however, in order to reduce the impact of such surgery on the patient, it has been desirable for such implants to be inserted percutaneously or with surgical techniques that are minimally invasive to the body of the patient. This presents a problem with implantation of rods that are elong...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A61B17/56A61B17/70A61B17/88
CPCA61B17/7032A61B17/7037A61B17/7085A61B17/7035A61B17/7088A61B17/7001A61B17/7002A61B17/7091A61B17/7011A61B2017/564A61B17/7076A61B17/7089A61B17/7082A61B17/7086A61B2090/037A61B17/7008A61B17/701A61B17/702A61B17/7038
Inventor JACKSON
Owner NUVASIVE
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